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SD-WANs work by utilizing tunneling solutions on pre-existing network architecture. It’s basically operating a network on top of a network, where communications paths are unified and application performance is optimized. It gives enterprises the option of dynamically connecting branch offices and the HQ office by leveraging internet and cloud capabilities along with integrated intelligence. This makes software-defined networks much easier to deploy regionally and globally.

Read More:SD-WAN vs. Traditional WAN